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Finding the Fourth Proportional to 2,158,366.93, 2,978,468.31 and 1,191,476.46

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Solution

The fourth proportional to 2,158,366.93, 2,978,468.31 and 1,191,476.46 is: 1,644,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,366.93 : 2,978,468.31 = 1,191,476.46 : x
  2. Step 2: Convert to fraction form
    2,158,366.93/2,978,468.31 = 1,191,476.46/x
  3. Step 3: Cross multiply
    2,158,366.93x = 2,978,468.31 × 1,191,476.46
  4. Step 4: Simplify right side
    2,158,366.93x = 3,548,774,878,220.98
  5. Step 5: Solve for x
    x = 3,548,774,878,220.98/2,158,366.93
  6. Step 6: Final answer
    x = 1,644,194.43

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